Vaulted ceiling with French doors home addition built by Navarro's Custom Homes & ADUs

Home Addition Services

Home Additions

Expand your home with a room addition, second story, or new suite — built to match your existing architecture and finished to the same standard as the rest of your home.

What Is a Home Addition?

Grow Your Home Without Moving

A home addition is new construction attached to your existing structure — expanding your footprint with a room, a floor, or an entirely new wing. We design every addition to integrate seamlessly with your current architecture, matching materials, rooflines, and finishes so the new space feels like it was always there.

More Living Space

Add the square footage your family needs without the disruption of moving — more room built exactly where and how you want it.

Increase Property Value

A well-built addition significantly increases your home's appraised value, often returning more than the cost of construction at resale.

Stay in Your Neighborhood

Keep the schools, neighbors, and community you love. Adding on is almost always less expensive — and less stressful — than buying and moving.

Customized to Your Family

Whether you need a home office, an extra bedroom, or a larger kitchen, every addition we build is designed around how your family actually uses the space.

Addition Types

What Type of Addition Do You Need?

From a single new room to a full second story, we scope and build every type of addition. We'll help you figure out what fits your lot, your budget, and your family's long-term needs.

Open-concept room addition with vaulted ceiling — Navarro's Custom Homes & ADUs

Room Additions

Add a bedroom, home office, sunroom, or any new room you need. We extend your existing floor plan seamlessly, matching your roofline, siding, and interior finishes.

Aerial roofline view of home — Navarro's Custom Homes & ADUs

Second Story Additions

Double your square footage without expanding your footprint. Second story additions are ideal for smaller lots where building up is more practical than building out.

Luxury master suite with mirrored closet — Navarro's Custom Homes & ADUs

Master Suite Additions

Create the primary suite your home was missing — a spacious bedroom, walk-in closet, and en suite bathroom designed as a private retreat within your existing home.

Grand vaulted ceiling family room — Navarro's Custom Homes & ADUs

Family Room Expansions

Open up your living space with a family room expansion that connects naturally to your kitchen and backyard — built for the way your family gathers every day.

Our Process

How It Works

From consultation to final walkthrough, we guide homeowners through every step of the process with clear communication and quality craftsmanship.

01

Consultation

Discuss your vision, goals, and budget.

02

Design & Planning

Develop plans and prepare documentation tailored to your project.

03

Permits & Approvals

Handle city requirements and approvals to keep everything moving smoothly.

04

Construction

Bring your project to life with quality craftsmanship and attention to detail.

05

Final Walkthrough

Ensure everything meets expectations before project completion.

Why Choose Us

Why Homeowners Choose Navarro's

We believe great construction starts with trust, communication, and craftsmanship. Our family-owned company has proudly served Southern California for over 35 years.

35+ Years Experience

Decades of experience delivering custom homes, ADUs, additions, and remodels throughout Southern California.

Family-Owned Company

Personal service, honest communication, and long-lasting relationships built on trust.

Licensed, Bonded & Insured

Professional construction services with peace of mind from start to finish.

High-Quality Craftsmanship

Attention to detail and premium finishes that stand the test of time.

Clear Communication

We keep homeowners informed throughout every phase of the project.

Serving Los Angeles & Orange County

Local expertise and knowledge of Southern California communities.

Common Questions

Home Addition Questions Answered

Everything homeowners ask before starting a home addition — answered honestly.

Most home additions take between 3 and 6 months from permit approval to completion, depending on size and complexity. A single-room addition is typically on the shorter end, while a second story or large suite addition may take longer. We provide a detailed project schedule before construction begins so you always know the timeline.

Get Started Today

Ready to Add On?

Tell us what space you need and we'll walk you through what's possible on your property. The first consultation is free and there's no obligation.

Free Initial Consultation
Licensed, Bonded & Insured — CA #1155615
35+ Years of Experience
Permit Assistance Included